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the length of a rectangle is represented by 2x + 4 and width is 3x + 6 the perimeter is 55 units find the value of x
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the length of a rectangle is represented by 2x + 4 and width is 3x + 6 the perimeter is 55 units find the value of x

User Justin Frazer
by
5.3k points

2 Answers

3 votes

Explanation:

P = 2(l+b)

55 = 2(2x+4 + 3x + 6)

55 = 2( 5x + 10)

55= 10x +20

10x = 55 - 20

X = 35/10

X = 7

User Tenten
by
5.2k points
4 votes

Answer:

x = 3.5

Explanation:

P= 55

l= 2x+4

W= 3x+6

P= 2(L+W)

55= 2(2x+4+3x+6)

55=2(5x+10)

55=10x+20

35=10x

3.5=x

User SergeyK
by
5.2k points
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